RaceAtlas

Alcatraz Island Tides: Tuesday, October 12, 2027

Tide heights at Alcatraz Island with the flood, ebb and slack schedule at the Golden Gate.

0.9 ft4:07 AM5.3 ft10:43 AM1.4 ft4:42 PM4.9 ft10:45 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.3 ft at 10:43 AM, low 0.9 ft at 4:07 AM. Gate: flood 2.5 kt at 8:22 AM, ebb 1.3 kt at 3:08 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
4:07 AMLow0.9 ft
10:43 AMHigh5.3 ft
4:42 PMLow1.4 ft
10:45 PMHigh4.9 ft
Current · Golden Gate
TimeStateSpeed
1:45 AMmax ebb SW (235°)0.9 kt
4:37 AMslack–
8:22 AMmax flood ENE (074°)2.5 kt
12:01 PMslack–
3:08 PMmax ebb SW (235°)1.3 kt
5:36 PMslack–
8:53 PMmax flood ENE (074°)2.2 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414792 (Alcatraz Island). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.